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Finding the Fourth Proportional to 17,471.65, 26,211.38 and 6,378.35

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Solution

The fourth proportional to 17,471.65, 26,211.38 and 6,378.35 is: 9,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471.65 : 26,211.38 = 6,378.35 : x
  2. Step 2: Convert to fraction form
    17,471.65/26,211.38 = 6,378.35/x
  3. Step 3: Cross multiply
    17,471.65x = 26,211.38 × 6,378.35
  4. Step 4: Simplify right side
    17,471.65x = 167,185,228.55
  5. Step 5: Solve for x
    x = 167,185,228.55/17,471.65
  6. Step 6: Final answer
    x = 9,568.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.